Mint Pea Soup

Mint pea soup is a bright, fresh soup that comes together in less than an hour. Frozen peas cook down to a silky puree while fresh mint steeps in at the end, so the flavor stays clean and alive. The trick is building a good base with onion and butter before the peas go in, then seasoning boldly at the finish.

Ingredients for Mint Pea Soup

Butter and onion build a sweet, savory base that makes the peas taste like themselves. Frozen peas are the backbone, soft enough to puree into cream without any added dairy. Vegetable broth gives body without overpowering the delicate flavor. Fresh mint brings a cool brightness that fades if added too early, so it goes in just before serving. Salt and white pepper bring the whole thing into focus.

Why This Mint Pea Soup Works

Frozen peas are already cooked and tender, so this soup goes from raw ingredients to done in about 25 minutes. The butter melts into the onion, which softens and turns sweet, creating a flavor base that the broth and peas build on. When you blend the hot soup, the peas break down into a smooth puree without any cream or starch.

Fresh mint is added after blending and off heat, so the leaves stay bright green and the flavor tastes fresh, not cooked. The soup thickens as it sits because the peas release starch, so you control how creamy it is by the amount of broth you use and how long it sits before serving.

Mistakes To Avoid

Adding the mint too early turns it dark and muddy. Once mint is exposed to heat for more than a minute or two, the bright flavor fades and the leaves gray out. Tear the leaves and stir them in just before serving.

Under-seasoning leaves the soup tasting flat and one-note. Pea soup needs more salt than you might think, and white pepper brings a cleaner heat than black pepper. Taste as you go and season in layers.

Blending the soup too much turns it gluey and thick. A few seconds in the blender gives you a chunky texture, 30 to 45 seconds gives you silky but still pourable, and much longer than that makes it gummy. You want to break down the peas but not overwork them.

Letting the soup sit at room temperature for more than two hours lets bacteria grow. Cool it in a shallow, wide container in the refrigerator within 20 minutes of cooking, and eat it within three days.

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Ingredients

• 2 tablespoons butter
• 1 medium onion, diced
• 4 cups vegetable broth
• 4 cups frozen peas
• 1 cup fresh mint leaves
• Salt and white pepper to taste

Step-by-step Instructions

1. Melt butter in a medium saucepan over medium heat until foaming, about 1 minute.
2. Add diced onion and cook, stirring often, until pale golden and soft, about 5 to 7 minutes. You should smell something sweet and deep.
3. Pour in vegetable broth and bring to a simmer over medium-high heat, about 3 to 4 minutes.
4. Add frozen peas, return to a simmer, and cook uncovered for 8 to 10 minutes until peas are very tender and break apart easily when pressed.
5. Working in batches to avoid overflow, carefully pour the hot soup into a blender. Hold the lid down loosely and blend on high until smooth and creamy, about 30 to 45 seconds per batch. Return each batch to the pot.
6. Tear fresh mint leaves by hand and stir them into the hot soup. Let sit for 1 minute so the mint softens but stays bright.
7. Taste the soup and season with salt and white pepper, stirring well. Start with 1/2 teaspoon salt and add more gradually until the flavor comes alive.
8. Ladle into bowls and serve hot, or cool in shallow containers in the refrigerator if making ahead.